diff options
Diffstat (limited to 'apps/xwininfo/dsimple.c')
| -rw-r--r-- | apps/xwininfo/dsimple.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/apps/xwininfo/dsimple.c b/apps/xwininfo/dsimple.c index 6432e1335..ca746e99a 100644 --- a/apps/xwininfo/dsimple.c +++ b/apps/xwininfo/dsimple.c @@ -205,6 +205,8 @@ xcb_window_t Select_Window(xcb_connection_t *dpy, xcb_allow_events (dpy, XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); xcb_flush (dpy); event = xcb_wait_for_event (dpy); + if (event == NULL) + Fatal_Error ("Fatal IO error"); switch (event->response_type & 0x7f) { case XCB_BUTTON_PRESS: { |